Nokia 6131 Service Schematics page 4

System connector
CHARGER
~4V
VBAT
C2306
1u0
Local mode = 1.4V
{
SLOWAD(6:0)
RETU
4
CHSWSTAT
2.5V if accessory
connected
5V if USB connected
1.8V
Customer Care / Service & Support Readiness / Content Creation Team
Confidential - Copyright © 2006 NOKIA Only for training and service purposes
TAHVO
N2300
TAHVO_V5.2_LF
D10
VCharIn1
E10
VCharIn2
E9
VCharInK
L2301
A7
VBAT1
A6
VBAT1
C2309 220R/100MHz
C2300 C2301
B5
GND1
GND
A4
22u 10n 22u
GND1
GND GND GND
L2306
G9
VBAT3
C2307
600R/100MHz A10
NC
B10
1u0 NC
A8
NC
GND
R2307
C10
NC
B8
NC
100R
GND
F10
VCharOut1
G10
VCharOut2
MA21D34001JN
F9
VCharOutK
SLAVESWSET
V2302
L2302
A5
VCoreCoil
VCORE
B6
C2302 VCoreCoil
10uH
B4
VCore
22u
J8
GND3
GND
GND
F2
GND4
GND
J2300 D9
VCharADC
J1
ChSwS
A9
GND5
GND
H10
Vout
VOUT
K10
VCC
VBUS
A3
VIO VIO
C2312 C2313 C2304
H2
SENSE-
10n
1u0 1u0
G2
SENSE+
GND GND
GND
H3
NC
H4
NC
H5
NC
J2306
H6
NC
J2307
H7
NC
H8
NC
G3
NC
3 2
G8
NC
C2076
F3
NC
4 1 10n
F8
NC
CURRENT_SEN
R2300
GND
BGND GND GND
Version: 1.0
Flash interface
J2060
2 RXD2
GND
1 RXD
3 CLK
0 TXD
VPP
X2060 VBUS
1
GND
A1
VPP_VIO
J10
Slave_PU 4
H9 5
Master_PD1
J9 6
Master_PD2
J6
CLK 3
K7
RXD2 2
J7
D+_RXD 1
K8 0
D-_TXD
K9 C2303
VCCint
GND
1u0
J4 J2309
5
OEX
K4 J2314
4
FSE0
J5 J2310 3
VO
J2311
K2 2
RCV_FRX2
J3 J2312
1
VP_FRX
K3 J2313
0
VM_CLK
K5 6
FTX
J2315
K6 7
B3 2
RSTX
0
D2
PURX
D1 3
SLEEPX
E1
7
Clk600
E2 1
SleepClk
J2308
F1 5
SMPSClk
C9
VcoreDef
A2
13
FlashM
B7
TestMode
B9
TestOut
1
GND
C2
TahvoInt
1
C1
CbusData
B1 2
CbusSelX
B2 0
CbusClk
J2316
G1
PWM300
J2
GenOut1
LED driver
L2305
K1
GenOut2
L2304 600R/100MHz
H1
GenOut3
E3 C2305
NC 22uH
N2301 1u0
E8
NC
D3 4W_LED_DRIVER
NC
GND
D8 PWMTAHVO A2 C1
NC EN VOUT
C3
NC
C2315
C4 C2 B1
NC IND VDD
C5
NC
4u7
C2314
C6 C3 A1
NC PGND AGND
C7
NC 4u7
C8 A3 B3
NC NC FB
GND
GND GND GND GND
R2408
10k
V2402
R2424 V2405 V2400
DTC143ZM-T2L OUT
R1
IN 470R
R2400 V2412 V2411
4k7
R2 47k
470R
GND
Keyboard LEDs
GND
RM-115 / RM-126 Board version: 1oaa_50
05.04.2006
RETU, system
USB_ACI(7:0)
connector
RAPGSM
INTUSB(8:0)
RETU, RAPGSM
PUSL(7:0)
}
EMINT(1:0)
RAPGSM
CBUS(3:0)
~4V
VBAT
L2307
}
240R/100MHz
VLEDOUT1
UI
SETCURR1
Power supply for keyboard light
PEMT1
R2407
14V if lights on
V2401
47R
PEMT1
V2401
R2402
C2409
33R
4n7
GND
TAHVO Page 4 (12)